Caterina Fake and Jyri Engeström have much in common beyond the home and family they share. Each has started — and sold — two companies. Fake famously cofounded the photo sharing site Flickr, which sold to Yahoo, before cofounding Hunch, which sold to eBay. Engeström cofounded Jaiku, a mobile social network that sold to Google, before cofounding Ditto, a mobile local… Read More...